/**
 * Created by Cai Ye on 2016/3/19.
 */
package cc.openhome;

public class Average {
    public static void main(String[] args) {
        long sum = 0;
        for (String arg:args){
            sum +=Long.parseLong(arg);
        }
        System.out.println("平均："+(float)sum/args.length);
    }
}
